Ophcrack will detect all the users set up on your Windows systems, and reveal their passwords—if the passwords are relatively easy to crack. See Adam's screenshot tour of how Ophcrack works, and which Windows passwords it was able to crack or it wasn't.

A three-click affair.You don't need Linux installed to create it, you can leave the data on your thumb drive untouched, and any files you create or settings you tweak remain in place the next time you boot up.

For iPod, Xbox, router or iPhone, some ree software projects that unlock features and enable unauthorized but oh-so-useful applications to run on them : top 5 favorite pieces of software to unlock your hardware and chime in with your own in the comments.

SendEmail is a lightweight, command line SMTP email client. If you have the need to send email from a command line, this free program is perfect: simple to use and feature rich. It was designed to be used in bash scripts, batch files, Perl programs and we